The phrase "a higher wattage" is correct and usable in written English.
It can be used when discussing electrical devices or appliances that require or produce more power than others.
Example: "For better performance, consider using a bulb with a higher wattage."
Alternatives: "increased wattage" or "greater wattage".
Hung high on the walls, and lit at a higher wattage than is usual, the paintings can now be seen afresh - though fresh is not exactly the word.
But in a pinch, you should be able to use an adapter with a higher wattage than the one that came with that particular Mac — and without any problems.
This will also work with any USB charger that supports a higher wattage output – though it's always worth making sure a particular charger has a good reputation before picking one up, and that goes for USB-C to Lightning cables, too.
A higher wattage will cook foods faster.
If the fixture uses exposed lamps, do not use a higher wattage than 40 watts.
The larger microwave ovens usually offer a higher wattage (power) than a compact oven.
By most accounts from Mr. Banier's friends, he brimmed with joie de vivre and charm with a high wattage list of friends from Salvador Dalí, the painter who befriended him as a teen, to writers Louis Aragon and Samuel Beckett and Mr. Depp.
In Brooklyn, the many millions of rubles lavished on the Barclays Center and a high wattage team of stars has not led to stellar basketball either and it seems like the Nets majority owner may be shopping the franchise to take advantage of the skyrocketing prices of basketball franchises (the Los Angeles Clippers recently fetched approximately $2 billion).
Go for a high wattage one.
This is the highest wattage the fixture is capable of using without becoming a fire hazard (it can't handle a high wattage).
